//
// Created by nicemoe on 2021/8/8.
//
//万能头文件
#include  <bits/stdc++.h>

using namespace std;

int main()
{

    string n(3, '6'), s="a";
    cout << n << " " << s;
    string m = "嗯嗯";
//    string m = *char();
//    string n(int n,char c);


    return 0;
}
